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authorLaG1924 <lag1924@gmail.com>2021-06-07 04:56:57 +0200
committerLaG1924 <lag1924@gmail.com>2021-06-07 04:56:57 +0200
commit83889ba33dad2743eeb2a79102a1117ec9220025 (patch)
tree7e15713639a4e0c12f1a06e467dd0b3d79070983 /external/optick/optick_core.macos.h
parentReplaced find_package with CPMAddPackage for more libraries (diff)
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Diffstat (limited to 'external/optick/optick_core.macos.h')
-rw-r--r--external/optick/optick_core.macos.h289
1 files changed, 0 insertions, 289 deletions
diff --git a/external/optick/optick_core.macos.h b/external/optick/optick_core.macos.h
deleted file mode 100644
index 3d19bfd..0000000
--- a/external/optick/optick_core.macos.h
+++ /dev/null
@@ -1,289 +0,0 @@
-#pragma once
-#if defined(__APPLE_CC__)
-
-#include "optick.config.h"
-#if USE_OPTICK
-
-#include "optick_core.platform.h"
-
-#include <mach/mach_time.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <pthread.h>
-#include <unistd.h>
-
-namespace Optick
-{
- const char* Platform::GetName()
- {
- return "MacOS";
- }
-
- ThreadID Platform::GetThreadID()
- {
- uint64_t tid;
- pthread_threadid_np(pthread_self(), &tid);
- return tid;
- }
-
- ProcessID Platform::GetProcessID()
- {
- return (ProcessID)getpid();
- }
-
- int64 Platform::GetFrequency()
- {
- return 1000000000;
- }
-
- int64 Platform::GetTime()
- {
- struct timespec ts;
- clock_gettime(CLOCK_REALTIME, &ts);
- return ts.tv_sec * 1000000000LL + ts.tv_nsec;
- }
-}
-
-#if OPTICK_ENABLE_TRACING
-
-#include "optick_core.h"
-
-namespace Optick
-{
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-class DTrace : public Trace
-{
- static const bool isSilent = true;
-
- std::thread processThread;
- string password;
-
- enum State
- {
- STATE_IDLE,
- STATE_RUNNING,
- STATE_ABORT,
- };
-
- volatile State state;
- volatile int64 timeout;
-
- struct CoreState
- {
- ProcessID pid;
- ThreadID tid;
- int prio;
- bool IsValid() const { return tid != INVALID_THREAD_ID; }
- CoreState() : pid(INVALID_PROCESS_ID), tid(INVALID_THREAD_ID), prio(0) {}
- };
- static const int MAX_CPU_CORES = 256;
- array<CoreState, MAX_CPU_CORES> cores;
-
- static void AsyncProcess(DTrace* trace);
- void Process();
-
- bool CheckRootAccess();
-
- enum ParseResult
- {
- PARSE_OK,
- PARSE_TIMEOUT,
- PARSE_FAILED,
- };
- ParseResult Parse(const char* line);
-public:
-
- DTrace();
-
- virtual void SetPassword(const char* pwd) override { password = pwd; }
- virtual CaptureStatus::Type Start(Mode::Type mode, int frequency, const ThreadList& threads) override;
- virtual bool Stop() override;
-};
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-DTrace g_DTrace;
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-DTrace::DTrace() : state(STATE_IDLE), timeout(0)
-{
-}
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-bool DTrace::CheckRootAccess()
-{
- char cmd[256] = { 0 };
- sprintf_s(cmd, "echo \'%s\' | sudo -S echo %s", password.c_str(), isSilent ? "2> /dev/null" : "");
- return system(cmd) == 0;
-}
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-CaptureStatus::Type DTrace::Start(Mode::Type mode, int /*frequency*/, const ThreadList& /*threads*/)
-{
- if (state == STATE_IDLE && (mode & Mode::SWITCH_CONTEXT) != 0)
- {
- if (!CheckRootAccess())
- return CaptureStatus::ERR_TRACER_INVALID_PASSWORD;
-
- state = STATE_RUNNING;
- timeout = INT64_MAX;
- cores.fill(CoreState());
- processThread = std::thread(AsyncProcess, this);
- }
-
- return CaptureStatus::OK;
-}
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-bool DTrace::Stop()
-{
- if (state != STATE_RUNNING)
- {
- return false;
- }
-
- timeout = Platform::GetTime();
- processThread.join();
- state = STATE_IDLE;
-
- return true;
-}
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-FILE* popen2(const char *program, const char *type, pid_t* outPid)
-{
- FILE *iop;
- int pdes[2];
- pid_t pid;
- if ((*type != 'r' && *type != 'w') || type[1] != '\0') {
- errno = EINVAL;
- return (NULL);
- }
-
- if (pipe(pdes) < 0) {
- return (NULL);
- }
-
- switch (pid = fork()) {
- case -1: /* Error. */
- (void)close(pdes[0]);
- (void)close(pdes[1]);
- return (NULL);
- /* NOTREACHED */
- case 0: /* Child. */
- {
- if (*type == 'r') {
- (void)close(pdes[0]);
- if (pdes[1] != STDOUT_FILENO) {
- (void)dup2(pdes[1], STDOUT_FILENO);
- (void)close(pdes[1]);
- }
- }
- else {
- (void)close(pdes[1]);
- if (pdes[0] != STDIN_FILENO) {
- (void)dup2(pdes[0], STDIN_FILENO);
- (void)close(pdes[0]);
- }
- }
- execl("/bin/sh", "sh", "-c", program, NULL);
- perror("execl");
- exit(1);
- /* NOTREACHED */
- }
- }
- /* Parent; assume fdopen can't fail. */
- if (*type == 'r') {
- iop = fdopen(pdes[0], type);
- (void)close(pdes[1]);
- }
- else {
- iop = fdopen(pdes[1], type);
- (void)close(pdes[0]);
- }
-
- if (outPid)
- *outPid = pid;
-
- return (iop);
-}
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void DTrace::Process()
-{
- const char* command = "dtrace -n fbt::thread_dispatch:return'\\''{printf(\"@%d %d %d %d\", pid, tid, curthread->sched_pri, walltimestamp)}'\\''";
-
- char buffer[256] = { 0 };
- sprintf_s(buffer, "echo \'%s\' | sudo -S sh -c \'%s\' %s", password.c_str(), command, isSilent ? "2> /dev/null" : "");
- pid_t pid;
- if (FILE* pipe = popen2(buffer, "r", &pid))
- {
- char* line = NULL;
- size_t len = 0;
- while (state == STATE_RUNNING && (getline(&line, &len, pipe)) != -1)
- {
- if (Parse(line) == PARSE_TIMEOUT)
- break;
- }
- fclose(pipe);
-
- int internal_stat;
- waitpid(pid, &internal_stat, 0);
- }
- else
- {
- OPTICK_FAILED("Failed to open communication pipe!");
- }
-}
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-DTrace::ParseResult DTrace::Parse(const char* line)
-{
- if (const char* cmd = strchr(line, '@'))
- {
- int cpu = atoi(line);
-
- CoreState currState;
-
- currState.pid = atoi(cmd + 1);
- cmd = strchr(cmd, ' ') + 1;
-
- currState.tid = atoi(cmd);
- cmd = strchr(cmd, ' ') + 1;
-
- currState.prio = atoi(cmd);
- cmd = strchr(cmd, ' ') + 1;
-
- int64_t timestamp = (int64_t)atoll(cmd);
-
- if (timestamp > timeout)
- return PARSE_TIMEOUT;
-
- const CoreState& prevState = cores[cpu];
-
- if (prevState.IsValid())
- {
- SwitchContextDesc desc;
- desc.reason = 0;
- desc.cpuId = cpu;
- desc.oldThreadId = prevState.tid;
- desc.newThreadId = currState.tid;
- desc.timestamp = timestamp;
- Core::Get().ReportSwitchContext(desc);
- }
-
- cores[cpu] = currState;
- }
- return PARSE_FAILED;
-}
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-void DTrace::AsyncProcess(DTrace *trace) {
- trace->Process();
-}
-
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-Trace* Platform::GetTrace()
-{
- return &g_DTrace;
-}
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-SymbolEngine* Platform::GetSymbolEngine()
-{
- return nullptr;
-}
-////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-}
-#endif //OPTICK_ENABLE_TRACING
-#endif //USE_OPTICK
-#endif //__APPLE_CC__ \ No newline at end of file